
THI THỬ 33
Authored by Hương Đào
Science
12th Grade
Used 1+ times

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30 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Số liên kết peptit trong phân tử Gly-Ala-Lys-Gly là
2
3
4
5
2.
OPEN ENDED QUESTION
3 mins • 1 pt
Phát biểu nào sau đây đúng?
Evaluate responses using AI:
OFF
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho m gam dung dịch glucozơ 5% vào lượng dư dung dịch AgNO3 trong NH3, đun nóng nhẹ đến phản ứng hoàn toàn thu được 5,4 gam Ag. Giá trị của m là
90
135.
45
180
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hòa tan hết 1,19 gam hỗn hợp gồm Al và Zn trong dung dịch H2SO4 loãng, sau phản ứng thu được dung dịch chỉ chứa 5,03 gam muối sunfat trung hòa và V lít khí H2. Giá trị của V là
1,120.
0,672.
0,784.
0,896.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho sơ đồ chuyển hóa sau: X(C4H8O2) + NaOH--> ancol Y + CO-->CH3COOH Công thức của X là
CH3CH2COOCH3.
HCOOCH2CH2CH3.
CH3CH2CH2COOH.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây là nguyên liệu để sản xuất cao su buna?
Etilen
Propen
Isopren
Buta-1,3-đien
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kim loại nào sau đây có khối lượng riêng nhẹ nhất?
Ca
Li
Na
Os
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